1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Copyright (C) 2015 Imagination Technologies 4 * Author: Alex Smith <alex.smith@imgtec.com> 5 */ 6 7#include <asm/sgidefs.h> 8#include <asm/vdso/vdso.h> 9#include <vdso/datapage.h> 10 11#if _MIPS_SIM == _MIPS_SIM_ABI64 12OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips") 13#elif _MIPS_SIM == _MIPS_SIM_NABI32 14OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips") 15#else 16OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips") 17#endif 18 19OUTPUT_ARCH(mips) 20 21SECTIONS 22{ 23 VDSO_VVAR_SYMS 24 25 . = SIZEOF_HEADERS; 26 27 /* 28 * In order to retain compatibility with older toolchains we provide the 29 * ABI flags section ourself. Newer assemblers will automatically 30 * generate .MIPS.abiflags sections so we discard such input sections, 31 * and then manually define our own section here. genvdso will patch 32 * this section to have the correct name/type. 33 */ 34 .mips_abiflags : { *(.mips_abiflags) } :text :abiflags 35 36 .reginfo : { *(.reginfo) } :text :reginfo 37 38 .hash : { *(.hash) } :text 39 .gnu.hash : { *(.gnu.hash) } 40 .dynsym : { *(.dynsym) } 41 .dynstr : { *(.dynstr) } 42 .gnu.version : { *(.gnu.version) } 43 .gnu.version_d : { *(.gnu.version_d) } 44 .gnu.version_r : { *(.gnu.version_r) } 45 46 .note : { *(.note.*) } :text :note 47 48 .text : { *(.text*) } :text 49 PROVIDE (__etext = .); 50 PROVIDE (_etext = .); 51 PROVIDE (etext = .); 52 53 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 54 .eh_frame : { KEEP (*(.eh_frame)) } :text 55 56 .dynamic : { *(.dynamic) } :text :dynamic 57 58 .rodata : { *(.rodata*) } :text 59 .got : { *(.got) } 60 61 _end = .; 62 PROVIDE(end = .); 63 64 /DISCARD/ : { 65 *(.MIPS.abiflags) 66 *(.gnu.attributes) 67 *(.note.GNU-stack) 68 *(.data .data.* .gnu.linkonce.d.* .sdata*) 69 *(.bss .sbss .dynbss .dynsbss) 70 } 71} 72 73PHDRS 74{ 75 /* 76 * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section 77 * to. We can specify the header type directly here so no modification 78 * is needed later on. 79 */ 80 abiflags 0x70000003; 81 82 /* 83 * The ABI flags header must exist directly after the PT_INTERP header, 84 * so we must explicitly place the PT_MIPS_REGINFO header after it to 85 * stop the linker putting one in at the start. 86 */ 87 reginfo 0x70000000; 88 89 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 90 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 91 note PT_NOTE FLAGS(4); /* PF_R */ 92 eh_frame_hdr PT_GNU_EH_FRAME; 93} 94 95VERSION 96{ 97 LINUX_2.6 { 98#ifdef CONFIG_GENERIC_GETTIMEOFDAY 99 global: 100 __vdso_clock_gettime; 101 __vdso_gettimeofday; 102 __vdso_clock_getres; 103#if _MIPS_SIM != _MIPS_SIM_ABI64 104 __vdso_clock_gettime64; 105 __vdso_clock_getres_time64; 106#endif 107#endif 108 local: *; 109 }; 110} 111